18QHTF21-3.328-OE

Oscillators Overview

The 18QHTF21-3.328-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 3.328 MHz and utilizes LVCMOS output logic levels. The device features an integrated enable/disable control function powered by a 1.8V supply voltage. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output interface
• Enable/Disable control functionality
• Compact 4-SMD no lead package

Oscillators Applications

• Digital signal processing systems
• Communication equipment timing
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application design specifications before procurement. Confirm that the 1.8V supply voltage aligns with the system power architecture. Ensure the 4-SMD footprint matches the PCB layout guidelines provided in the official datasheet to guarantee proper soldering and electrical connection.

Oscillators Selection Notes

Select this component when a precise 3.328 MHz clock signal is required with low-voltage operation. The LVCMOS output is suitable for direct interfacing with standard digital logic families. The enable/disable feature allows for power management optimization in battery-operated devices. Consider the thermal characteristics and stability requirements of the operating environment during selection.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic, a supplier specializing in quartz crystals and timing components. The series offers various frequency options within a standardized small form factor. Mercury Electronics has a long history in the Taiwan frequency-control industry, providing reliable timing solutions for consumer and industrial electronics applications.

Oscillators Replacement Considerations

Direct replacements must match the 3.328 MHz frequency, LVCMOS output type, 1.8V supply voltage, and 4-SMD package dimensions. Verify pinout compatibility and electrical characteristics such as rise/fall times and duty cycle. Consult manufacturer cross-reference lists for equivalent parts from other suppliers offering identical specifications.